It's a hazard symbol for irritant.
Answer:
can you send the work off of here? what is the lab over?
The F atom . Oxygen has a -2 charge and fluorine has a +1 charge
<span>The answer is 8. Hope this help!!!
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You would do 82.75 divided by 125 cm3 and get 0.6620 g/cm3 because to find density you mist divide mass and volume and grams is always mass and cm3 or mL is always volume. hope i helped!